[LayoutNG] WIP on storing layout output in the legacy tree for multicol.

third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.h

Index: third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.h b/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.h
index ed46db7dfa458a48bb2d7831fa9f3ddbbf4f6e7a..1a78096eb811a7f87acc1fd7429f7e6d82cd265b 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.h
@@ -36,6 +36,14 @@ class CORE_EXPORT NGBlockLayoutAlgorithm
   Optional<MinMaxContentSize> ComputeMinMaxContentSize() const override;
   virtual RefPtr<NGLayoutResult> Layout() override;
 
+ protected:
+  NGFragmentBuilder builder_;
+  NGConstraintSpaceBuilder space_builder_;
+
+  NGBoxStrut border_and_padding_;
+  LayoutUnit content_size_;
+  LayoutUnit max_inline_size_;
+
  private:
   NGBoxStrut CalculateMargins(NGLayoutInputNode* child,
                               const NGConstraintSpace& space);
@@ -62,12 +70,6 @@ class CORE_EXPORT NGBlockLayoutAlgorithm
   // Updates the fragment's BFC offset if it's not already set.
   void UpdateFragmentBfcOffset(const NGLogicalOffset& offset);
 
-  NGFragmentBuilder builder_;
-  NGConstraintSpaceBuilder space_builder_;
-
-  NGBoxStrut border_and_padding_;
-  LayoutUnit content_size_;
-  LayoutUnit max_inline_size_;
   // MarginStrut for the previous child.
   NGMarginStrut curr_margin_strut_;
   NGLogicalOffset curr_bfc_offset_;